Memory enhancements and PDF decompress API (#3129)

# Description of Changes

- PDF split by size to check size of PDF as it splits, avoids issue were
a PDFs size is different viewed vs saved due to compression caused by
repeated data etc.
- Additionally memory enhancements for PDF load to dynamically load in
memory vs scratch
- PDF Decompress API for PDF testing


## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md#6-testing)
for more details.

src/main/java/stirling/software/SPDF/utils/PdfUtils.java

@@ -14,7 +14,6 @@ import java.util.zip.ZipOutputStream;
 import javax.imageio.*;
 import javax.imageio.stream.ImageOutputStream;
 
-import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.cos.COSName;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDPage;
@@ -128,6 +127,7 @@ public class PdfUtils {
     }
 
     public static byte[] convertFromPdf(
+            CustomPDDocumentFactory pdfDocumentFactory,
             byte[] inputStream,
             String imageType,
             ImageType colorType,
@@ -135,7 +135,7 @@ public class PdfUtils {
             int DPI,
             String filename)
             throws IOException, Exception {
-        try (PDDocument document = Loader.loadPDF(inputStream)) {
+        try (PDDocument document = pdfDocumentFactory.load(inputStream)) {
             PDFRenderer pdfRenderer = new PDFRenderer(document);
             pdfRenderer.setSubsamplingAllowed(true);
             int pageCount = document.getNumberOfPages();